Patents per Year
Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9284160 | Stabilization devices | John Jerome Haigh, David Romo | 2016-03-15 | |
| 8831787 | Power sensor | Scott Jeffrey Farrell | 2014-09-09 | |
| 8692679 | Tower elevator alarm system | — | 2014-04-08 | |
| 8602161 | Tower climbing assist device | John Jerome Haigh | 2013-12-10 | |
| 8317160 | Restraint device for traction sheaves | David Romo, John Jerome Haigh | 2012-11-27 | |
| 8141681 | Tower climbing assist device | John Jerome Haigh | 2012-03-27 | |
| 6285017 | Alignment indicator for photoelectric sensors | — | 2001-09-04 | $5,290,000 |
| 6240478 | Apparatus and method for addressing electronic modules | — | 2001-05-29 | $9,463,000 |
| 6054927 | Apparatus and method for sensing an object within a monitored zone | — | 2000-04-25 | $11,081,000 |
| 5466945 | Apparatus for detecting proper positioning of objects in a holder | Kenneth A. Langland | 1995-11-14 | $10,356,000 |
| 4203027 | Electrically heated humidifying apparatus | David H. O'Hare, Lindsay G. Spilman | 1980-05-13 |